Onyx Poke5 BOOX User Manual page 47

Deep full-refresh is recommended for documents with a lot of images
and darker background to reduce ghosting during reading.
Settings
Tap the hamburger menu on the
upper right corner to go to reading-
related settings such as Global
Settings, PDF Settings Touch
Settings, TTS Settings,
Export Settings, Screenshot Settings, Floating Toolbar Settings,
Other Settings, and Version Number.
Dictionary Settings
When looking up words in the
Dictionary, ONYX Dictionary and
ONYX Translate are used